I tend to utilize stuff like this:
Non-Sentient:
1. The target population is out of control and needs to be culled.
2. The target presents a real threat to nearby persons.
Sentient:
1. The target is inherently hostile to nearby persons.
2. The target has caused damage to persons or property.
Non-Sentient:
1. The target population is out of control and needs to be culled.
2. The target presents a real threat to nearby persons.
Sentient:
1. The target is inherently hostile to nearby persons.
2. The target has caused damage to persons or property.